135808784 has 40 divisors (see below), whose sum is σ = 279982080. Its totient is φ = 63595008.

The previous prime is 135808763. The next prime is 135808807. The reversal of 135808784 is 487808531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59537 + ... + 61775.

It is an arithmetic number, because the mean of its divisors is an integer number (6999552).

Almost surely, 2^135808784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135808784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139991040).

135808784 is an abundant number, since it is smaller than the sum of its proper divisors (144173296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135808784 is a wasteful number, since it uses less digits than its factorization.

135808784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 135808784 is about 11653.7025875899. The cubic root of 135808784 is about 514.0151902933.

The spelling of 135808784 in words is "one hundred thirty-five million, eight hundred eight thousand, seven hundred eighty-four".